30-sai no Hoken Taiiku (30歳の保健体育, Sanjussai no Hoken Taiiku; trans. Health and Physical Education for 30-Year-Olds) is a Japanese guidebook series written by Mitsuba and published by Ichijinsha. The series is aimed at men in their 30s who have not had any romantic or sexual relationships with women. The manga adaptation by Rikako Inomoto started on the November/December 2010 issue of Comic Rex. In 2011, the book was adapted into an anime television series produced by Gathering and was broadcasted in Japan on BS11 and Tokyo MX starting April 2011.